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Finding the Fourth Proportional to 300,594.04, 450,898.35 and 100,920.94

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Solution

The fourth proportional to 300,594.04, 450,898.35 and 100,920.94 is: 151,383.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,594.04 : 450,898.35 = 100,920.94 : x
  2. Step 2: Convert to fraction form
    300,594.04/450,898.35 = 100,920.94/x
  3. Step 3: Cross multiply
    300,594.04x = 450,898.35 × 100,920.94
  4. Step 4: Simplify right side
    300,594.04x = 45,505,085,326.45
  5. Step 5: Solve for x
    x = 45,505,085,326.45/300,594.04
  6. Step 6: Final answer
    x = 151,383.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.